2HLN | pdb_00002hln

L-asparaginase from Erwinia carotovora in complex with glutamic acid

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1ZCF	pdb entry 1ZCF

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	295	0.1% sodium cacodilate, 8% PEG MME 5000, 0.06% octylglucoside, 0.08M glutamic acid, 0.02% sodium azide, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
2.39	48.51

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 81.107	α = 90
b = 123.675	β = 90.92
c = 197.454	γ = 90

Symmetry
Space Group	P 1 21 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	CCD	MAR CCD 165 mm	bent mirror	2005-10-24	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	EMBL/DESY, HAMBURG BEAMLINE BW7A		EMBL/DESY, HAMBURG	BW7A

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	2.2	20	91.8	0.08	17.2	3.3	180862	180862		3

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.2	2.22	91		0.423	2.6	3.3	5910

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	pdb entry 1ZCF	2.2	19.98	170479	170479	9022	91.08	0.222	0.22198	0.21958	0.2169	0.26744	0.2618	RANDOM	43.142

Temperature Factor Modeling
Anisotropic B[1][1]	Anisotropic B[1][2]	Anisotropic B[1][3]	Anisotropic B[2][2]	Anisotropic B[2][3]	Anisotropic B[3][3]

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	23.899
r_scangle_it	9.805
r_scbond_it	7.772
r_dihedral_angle_4_deg	7.756
r_dihedral_angle_3_deg	7.576
r_mcangle_it	4.732
r_mcbond_it	4.137
r_dihedral_angle_1_deg	1.987
r_angle_refined_deg	0.919
r_nbtor_refined	0.312
r_symmetry_hbond_refined	0.183
r_nbd_refined	0.174
r_xyhbond_nbd_refined	0.166
r_symmetry_vdw_refined	0.138
r_chiral_restr	0.084
r_bond_refined_d	0.005
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	27624
Nucleic Acid Atoms
Solvent Atoms	1878
Heterogen Atoms	176

Software

Software
Software Name	Purpose
REFMAC	refinement
PHASER	phasing